T6654037.java revision 2933:49d207bf704d 
1/*
2 * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/*
25 * @test
26 * @bug 6654037
27 * @summary JCTree.pos may be incorrect for BinaryTrees
28 * @modules jdk.compiler/com.sun.tools.javac.api
29 *          jdk.compiler/com.sun.tools.javac.tree
30 */
31
32import com.sun.source.tree.BinaryTree;
33import com.sun.source.tree.ClassTree;
34import com.sun.source.tree.CompilationUnitTree;
35import com.sun.source.tree.MethodTree;
36import com.sun.source.tree.VariableTree;
37import com.sun.tools.javac.api.JavacTaskImpl;
38import com.sun.tools.javac.tree.JCTree;
39import java.net.URI;
40import java.util.Arrays;
41import javax.tools.JavaCompiler;
42import javax.tools.JavaFileObject;
43import javax.tools.SimpleJavaFileObject;
44import javax.tools.ToolProvider;
45
46public class T6654037 {
47
48    public static void main(String[] args) throws Exception {
49        final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
50        assert tool != null;
51
52        String code = "package test; public class Test {private void test() {Object o = null; boolean b = o != null && o instanceof String;} private Test() {}}";
53
54        JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, Arrays.asList("-Xjcov"), null, Arrays.asList(new MyFileObject(code)));
55        CompilationUnitTree cut = ct.parse().iterator().next();
56        ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);
57        MethodTree method = (MethodTree) clazz.getMembers().get(0);
58        VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1);
59        BinaryTree cond = (BinaryTree) condSt.getInitializer();
60        JCTree condJC = (JCTree) cond;
61
62        if (condJC.pos != 93)
63            throw new IllegalStateException("Unexpected position=" + condJC.pos);
64    }
65
66    static class MyFileObject extends SimpleJavaFileObject {
67        private String text;
68        public MyFileObject(String text) {
69            super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
70            this.text = text;
71        }
72        @Override
73        public CharSequence getCharContent(boolean ignoreEncodingErrors) {
74            return text;
75        }
76    }
77}
78